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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "accessibility/extended/accessibleiconchoicectrl.hxx"
21 : #include "accessibility/extended/accessibleiconchoicectrlentry.hxx"
22 : #include <svtools/ivctrl.hxx>
23 : #include <com/sun/star/accessibility/AccessibleEventId.hpp>
24 : #include <com/sun/star/accessibility/AccessibleRole.hpp>
25 : #include <com/sun/star/accessibility/AccessibleStateType.hpp>
26 : #include <unotools/accessiblestatesethelper.hxx>
27 : #include <vcl/svapp.hxx>
28 : #include <cppuhelper/supportsservice.hxx>
29 : #include <cppuhelper/typeprovider.hxx>
30 :
31 :
32 : namespace accessibility
33 : {
34 :
35 :
36 : // class AccessibleIconChoiceCtrl ----------------------------------------------
37 :
38 : using namespace ::com::sun::star::accessibility;
39 : using namespace ::com::sun::star::uno;
40 : using namespace ::com::sun::star::lang;
41 : using namespace ::com::sun::star;
42 :
43 :
44 : // Ctor() and Dtor()
45 :
46 0 : AccessibleIconChoiceCtrl::AccessibleIconChoiceCtrl( SvtIconChoiceCtrl& _rIconCtrl, const Reference< XAccessible >& _xParent ) :
47 :
48 : VCLXAccessibleComponent( _rIconCtrl.GetWindowPeer() ),
49 0 : m_xParent ( _xParent )
50 : {
51 0 : }
52 :
53 0 : AccessibleIconChoiceCtrl::~AccessibleIconChoiceCtrl()
54 : {
55 0 : }
56 :
57 0 : IMPLEMENT_FORWARD_XINTERFACE2(AccessibleIconChoiceCtrl, VCLXAccessibleComponent, AccessibleIconChoiceCtrl_BASE)
58 0 : IMPLEMENT_FORWARD_XTYPEPROVIDER2(AccessibleIconChoiceCtrl, VCLXAccessibleComponent, AccessibleIconChoiceCtrl_BASE)
59 :
60 0 : void AccessibleIconChoiceCtrl::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
61 : {
62 0 : if ( isAlive() )
63 : {
64 0 : switch ( rVclWindowEvent.GetId() )
65 : {
66 : case VCLEVENT_LISTBOX_SELECT :
67 : {
68 : // First send an event that tells the listeners of a
69 : // modified selection. The active descendant event is
70 : // send after that so that the receiving AT has time to
71 : // read the text or name of the active child.
72 : // NotifyAccessibleEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
73 :
74 0 : if ( getCtrl() && getCtrl()->HasFocus() )
75 : {
76 0 : SvxIconChoiceCtrlEntry* pEntry = static_cast< SvxIconChoiceCtrlEntry* >( rVclWindowEvent.GetData() );
77 0 : if ( pEntry )
78 : {
79 0 : sal_uLong nPos = getCtrl()->GetEntryListPos( pEntry );
80 0 : Reference< XAccessible > xChild = new AccessibleIconChoiceCtrlEntry( *getCtrl(), nPos, this );
81 0 : uno::Any aOldValue, aNewValue;
82 0 : aNewValue <<= xChild;
83 0 : NotifyAccessibleEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aOldValue, aNewValue );
84 :
85 0 : NotifyAccessibleEvent( AccessibleEventId::SELECTION_CHANGED, aOldValue, aNewValue );
86 :
87 : }
88 : }
89 0 : break;
90 : }
91 : case VCLEVENT_WINDOW_GETFOCUS :
92 : {
93 0 : SvtIconChoiceCtrl* pCtrl = getCtrl();
94 0 : if ( pCtrl && pCtrl->HasFocus() )
95 : {
96 0 : SvxIconChoiceCtrlEntry* pEntry = static_cast< SvxIconChoiceCtrlEntry* >( rVclWindowEvent.GetData() );
97 0 : if ( pEntry == NULL )
98 : {
99 0 : sal_uLong nPos=0;
100 0 : pEntry = getCtrl()->GetSelectedEntry ( nPos );
101 : }
102 0 : if ( pEntry )
103 : {
104 0 : sal_uLong nPos = pCtrl->GetEntryListPos( pEntry );
105 0 : Reference< XAccessible > xChild = new AccessibleIconChoiceCtrlEntry( *pCtrl, nPos, this );
106 0 : uno::Any aOldValue, aNewValue;
107 0 : aNewValue <<= xChild;
108 0 : NotifyAccessibleEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aOldValue, aNewValue );
109 0 : NotifyAccessibleEvent( AccessibleEventId::SELECTION_CHANGED, aOldValue, aNewValue );
110 : }
111 : }
112 0 : break;
113 : }
114 : default:
115 0 : VCLXAccessibleComponent::ProcessWindowChildEvent (rVclWindowEvent);
116 : }
117 : }
118 0 : }
119 :
120 : // XComponent
121 :
122 0 : void SAL_CALL AccessibleIconChoiceCtrl::disposing()
123 : {
124 0 : ::osl::MutexGuard aGuard( m_aMutex );
125 :
126 0 : m_xParent = NULL;
127 0 : }
128 :
129 : // XServiceInfo
130 :
131 0 : OUString SAL_CALL AccessibleIconChoiceCtrl::getImplementationName() throw (RuntimeException, std::exception)
132 : {
133 0 : return getImplementationName_Static();
134 : }
135 :
136 0 : Sequence< OUString > SAL_CALL AccessibleIconChoiceCtrl::getSupportedServiceNames() throw (RuntimeException, std::exception)
137 : {
138 0 : return getSupportedServiceNames_Static();
139 : }
140 :
141 0 : sal_Bool SAL_CALL AccessibleIconChoiceCtrl::supportsService( const OUString& _rServiceName ) throw (RuntimeException, std::exception)
142 : {
143 0 : return cppu::supportsService(this, _rServiceName);
144 : }
145 :
146 : // XServiceInfo - static methods
147 :
148 0 : Sequence< OUString > AccessibleIconChoiceCtrl::getSupportedServiceNames_Static(void) throw (RuntimeException)
149 : {
150 0 : Sequence< OUString > aSupported(3);
151 0 : aSupported[0] = "com.sun.star.accessibility.AccessibleContext";
152 0 : aSupported[1] = "com.sun.star.accessibility.AccessibleComponent";
153 0 : aSupported[2] = "com.sun.star.awt.AccessibleIconChoiceControl";
154 0 : return aSupported;
155 : }
156 :
157 0 : OUString AccessibleIconChoiceCtrl::getImplementationName_Static(void) throw (RuntimeException)
158 : {
159 0 : return OUString( "com.sun.star.comp.svtools.AccessibleIconChoiceControl" );
160 : }
161 :
162 : // XAccessible
163 :
164 0 : Reference< XAccessibleContext > SAL_CALL AccessibleIconChoiceCtrl::getAccessibleContext( ) throw (RuntimeException, std::exception)
165 : {
166 0 : ensureAlive();
167 0 : return this;
168 : }
169 :
170 : // XAccessibleContext
171 :
172 0 : sal_Int32 SAL_CALL AccessibleIconChoiceCtrl::getAccessibleChildCount( ) throw (RuntimeException, std::exception)
173 : {
174 0 : ::comphelper::OExternalLockGuard aGuard( this );
175 :
176 0 : ensureAlive();
177 0 : return getCtrl()->GetEntryCount();
178 : }
179 :
180 0 : Reference< XAccessible > SAL_CALL AccessibleIconChoiceCtrl::getAccessibleChild( sal_Int32 i ) throw (RuntimeException, IndexOutOfBoundsException, std::exception)
181 : {
182 0 : ::comphelper::OExternalLockGuard aGuard( this );
183 :
184 0 : ensureAlive();
185 0 : SvtIconChoiceCtrl* pCtrl = getCtrl();
186 0 : SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry(i);
187 0 : if ( !pEntry )
188 0 : throw RuntimeException();
189 :
190 0 : return new AccessibleIconChoiceCtrlEntry( *pCtrl, i, this );
191 : }
192 :
193 0 : Reference< XAccessible > SAL_CALL AccessibleIconChoiceCtrl::getAccessibleParent( ) throw (RuntimeException, std::exception)
194 : {
195 0 : ::osl::MutexGuard aGuard( m_aMutex );
196 :
197 0 : ensureAlive();
198 0 : return m_xParent;
199 : }
200 :
201 0 : sal_Int16 SAL_CALL AccessibleIconChoiceCtrl::getAccessibleRole( ) throw (RuntimeException, std::exception)
202 : {
203 : //return AccessibleRole::TREE;
204 0 : return AccessibleRole::LIST;
205 : }
206 :
207 0 : OUString SAL_CALL AccessibleIconChoiceCtrl::getAccessibleDescription( ) throw (RuntimeException, std::exception)
208 : {
209 0 : ::comphelper::OExternalLockGuard aGuard( this );
210 :
211 0 : ensureAlive();
212 0 : return getCtrl()->GetAccessibleDescription();
213 : }
214 :
215 0 : OUString SAL_CALL AccessibleIconChoiceCtrl::getAccessibleName( ) throw (RuntimeException, std::exception)
216 : {
217 0 : ::comphelper::OExternalLockGuard aGuard( this );
218 :
219 0 : ensureAlive();
220 :
221 0 : OUString sName = getCtrl()->GetAccessibleName();
222 0 : if ( sName.isEmpty() )
223 0 : sName = "IconChoiceControl";
224 0 : return sName;
225 : }
226 :
227 : // XAccessibleSelection
228 :
229 0 : void SAL_CALL AccessibleIconChoiceCtrl::selectAccessibleChild( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
230 : {
231 0 : ::comphelper::OExternalLockGuard aGuard( this );
232 :
233 0 : ensureAlive();
234 :
235 0 : SvtIconChoiceCtrl* pCtrl = getCtrl();
236 0 : SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry( nChildIndex );
237 0 : if ( !pEntry )
238 0 : throw IndexOutOfBoundsException();
239 :
240 0 : pCtrl->SetCursor( pEntry );
241 0 : }
242 :
243 0 : sal_Bool SAL_CALL AccessibleIconChoiceCtrl::isAccessibleChildSelected( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
244 : {
245 0 : ::comphelper::OExternalLockGuard aGuard( this );
246 :
247 0 : ensureAlive();
248 :
249 0 : SvtIconChoiceCtrl* pCtrl = getCtrl();
250 0 : SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry( nChildIndex );
251 0 : if ( !pEntry )
252 0 : throw IndexOutOfBoundsException();
253 :
254 0 : return ( pCtrl->GetCursor() == pEntry );
255 : }
256 :
257 0 : void SAL_CALL AccessibleIconChoiceCtrl::clearAccessibleSelection( ) throw (RuntimeException, std::exception)
258 : {
259 0 : ::comphelper::OExternalLockGuard aGuard( this );
260 :
261 0 : ensureAlive();
262 0 : getCtrl()->SetNoSelection();
263 0 : }
264 :
265 0 : void SAL_CALL AccessibleIconChoiceCtrl::selectAllAccessibleChildren( ) throw (RuntimeException, std::exception)
266 : {
267 0 : ::comphelper::OExternalLockGuard aGuard( this );
268 :
269 0 : ensureAlive();
270 :
271 0 : SvtIconChoiceCtrl* pCtrl = getCtrl();
272 0 : sal_Int32 nCount = pCtrl->GetEntryCount();
273 0 : for ( sal_Int32 i = 0; i < nCount; ++i )
274 : {
275 0 : SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry( i );
276 0 : if ( pCtrl->GetCursor() != pEntry )
277 0 : pCtrl->SetCursor( pEntry );
278 0 : }
279 0 : }
280 :
281 0 : sal_Int32 SAL_CALL AccessibleIconChoiceCtrl::getSelectedAccessibleChildCount( ) throw (RuntimeException, std::exception)
282 : {
283 0 : ::comphelper::OExternalLockGuard aGuard( this );
284 :
285 0 : ensureAlive();
286 :
287 0 : sal_Int32 nSelCount = 0;
288 0 : SvtIconChoiceCtrl* pCtrl = getCtrl();
289 0 : sal_Int32 nCount = pCtrl->GetEntryCount();
290 0 : for ( sal_Int32 i = 0; i < nCount; ++i )
291 : {
292 0 : SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry( i );
293 0 : if ( pCtrl->GetCursor() == pEntry )
294 0 : ++nSelCount;
295 : }
296 :
297 0 : return nSelCount;
298 : }
299 :
300 0 : Reference< XAccessible > SAL_CALL AccessibleIconChoiceCtrl::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
301 : {
302 0 : ::comphelper::OExternalLockGuard aGuard( this );
303 :
304 0 : ensureAlive();
305 :
306 0 : if ( nSelectedChildIndex < 0 || nSelectedChildIndex >= getSelectedAccessibleChildCount() )
307 0 : throw IndexOutOfBoundsException();
308 :
309 0 : Reference< XAccessible > xChild;
310 0 : sal_Int32 nSelCount = 0;
311 0 : SvtIconChoiceCtrl* pCtrl = getCtrl();
312 0 : sal_Int32 nCount = pCtrl->GetEntryCount();
313 0 : for ( sal_Int32 i = 0; i < nCount; ++i )
314 : {
315 0 : SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry( i );
316 0 : if ( pCtrl->GetCursor() == pEntry )
317 0 : ++nSelCount;
318 :
319 0 : if ( nSelCount == ( nSelectedChildIndex + 1 ) )
320 : {
321 0 : xChild = new AccessibleIconChoiceCtrlEntry( *pCtrl, i, this );
322 0 : break;
323 : }
324 : }
325 :
326 0 : return xChild;
327 : }
328 :
329 0 : void SAL_CALL AccessibleIconChoiceCtrl::deselectAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
330 : {
331 0 : ::comphelper::OExternalLockGuard aGuard( this );
332 :
333 0 : ensureAlive();
334 :
335 0 : if ( nSelectedChildIndex < 0 || nSelectedChildIndex >= getAccessibleChildCount() )
336 0 : throw IndexOutOfBoundsException();
337 :
338 0 : Reference< XAccessible > xChild;
339 0 : sal_Int32 nSelCount = 0;
340 0 : SvtIconChoiceCtrl* pCtrl = getCtrl();
341 0 : sal_Int32 nCount = pCtrl->GetEntryCount();
342 0 : bool bFound = false;
343 0 : for ( sal_Int32 i = 0; i < nCount; ++i )
344 : {
345 0 : SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry( i );
346 0 : if ( pEntry->IsSelected() )
347 : {
348 0 : ++nSelCount;
349 0 : if ( i == nSelectedChildIndex )
350 0 : bFound = true;
351 : }
352 : }
353 :
354 : // if only one entry is selected and its index is choosen to deselect -> no selection anymore
355 0 : if ( 1 == nSelCount && bFound )
356 0 : pCtrl->SetNoSelection();
357 0 : }
358 :
359 0 : void AccessibleIconChoiceCtrl::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet )
360 : {
361 0 : VCLXAccessibleComponent::FillAccessibleStateSet( rStateSet );
362 0 : if ( isAlive() )
363 : {
364 0 : rStateSet.AddState( AccessibleStateType::FOCUSABLE );
365 0 : rStateSet.AddState( AccessibleStateType::MANAGES_DESCENDANTS );
366 0 : rStateSet.AddState( AccessibleStateType::SELECTABLE );
367 : }
368 0 : }
369 :
370 0 : SvtIconChoiceCtrl* AccessibleIconChoiceCtrl::getCtrl()
371 : {
372 0 : return static_cast<SvtIconChoiceCtrl*>(GetWindow());
373 : }
374 :
375 :
376 : }// namespace accessibility
377 :
378 :
379 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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